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Deposits - Narrative (Details) - USD ($) $ in Billions	Mar. 31, 2026	Dec. 31, 2025
Deposits Liabilities, Balance Sheet, Reported Amounts [Abstract]
Total brokered deposits	$ 2.9	$ 3.3
Percent of total deposits	34.00%	36.00%

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- Definition

Brokered Deposits, Excluding CDARS And ICS Two-Way Deposits

+ References

No definition available.

+ Details

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Period Type:	instant

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- Definition

Brokered Deposits, Excluding CDARS and ICS Two-Way Deposits, Percent of Total Deposits

+ References

No definition available.

+ Details

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Namespace Prefix:	egbn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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